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require 'open-uri'
require 'rbconfig'
module Rails
module Generators
module Actions
# Adds an entry into Gemfile for the supplied gem.
#
# gem "rspec", :group => :test
# gem "technoweenie-restful-authentication", :lib => "restful-authentication", :source => "http://gems.github.com/"
# gem "rails", "3.0", :git => "git://github.com/rails/rails"
def gem(*args)
options = args.extract_options!
name, version = args
# Set the message to be shown in logs. Uses the git repo if one is given,
# otherwise use name (version).
parts, message = [ name.inspect ], name
if version ||= options.delete(:version)
parts << version.inspect
message << " (#{version})"
end
message = options[:git] if options[:git]
log :gemfile, message
options.each do |option, value|
parts << "#{option}: #{value.inspect}"
end
in_root do
str = "gem #{parts.join(", ")}"
str = " " + str if @in_group
str = "\n" + str
append_file "Gemfile", str, :verbose => false
end
end
# Wraps gem entries inside a group.
#
# gem_group :development, :test do
# gem "rspec-rails"
# end
def gem_group(*names, &block)
name = names.map(&:inspect).join(", ")
log :gemfile, "group #{name}"
in_root do
append_file "Gemfile", "\ngroup #{name} do", :force => true
@in_group = true
instance_eval(&block)
@in_group = false
append_file "Gemfile", "\nend\n", :force => true
end
end
# Add the given source to Gemfile
#
# add_source "http://gems.github.com/"
def add_source(source, options={})
log :source, source
in_root do
prepend_file "Gemfile", "source #{source.inspect}\n", :verbose => false
end
end
# Adds a line inside the Application class for config/application.rb.
#
# If options :env is specified, the line is appended to the corresponding
# file in config/environments.
#
# environment do
# "config.autoload_paths += %W(#{config.root}/extras)"
# end
#
# environment(nil, :env => "development") do
# "config.active_record.observers = :cacher"
# end
def environment(data=nil, options={}, &block)
sentinel = /class [a-z_:]+ < Rails::Application/i
env_file_sentinel = /::Application\.configure do/
data = block.call if !data && block_given?
in_root do
if options[:env].nil?
inject_into_file 'config/application.rb', "\n #{data}", :after => sentinel, :verbose => false
else
Array(options[:env]).each do |env|
inject_into_file "config/environments/#{env}.rb", "\n #{data}", :after => env_file_sentinel, :verbose => false
end
end
end
end
alias :application :environment
# Run a command in git.
#
# git :init
# git :add => "this.file that.rb"
# git :add => "onefile.rb", :rm => "badfile.cxx"
def git(commands={})
if commands.is_a?(Symbol)
run "git #{commands}"
else
commands.each do |cmd, options|
run "git #{cmd} #{options}"
end
end
end
# Create a new file in the vendor/ directory. Code can be specified
# in a block or a data string can be given.
#
# vendor("sekrit.rb") do
# sekrit_salt = "#{Time.now}--#{3.years.ago}--#{rand}--"
# "salt = '#{sekrit_salt}'"
# end
#
# vendor("foreign.rb", "# Foreign code is fun")
def vendor(filename, data=nil, &block)
log :vendor, filename
create_file("vendor/#{filename}", data, :verbose => false, &block)
end
# Create a new file in the lib/ directory. Code can be specified
# in a block or a data string can be given.
#
# lib("crypto.rb") do
# "crypted_special_value = '#{rand}--#{Time.now}--#{rand(1337)}--'"
# end
#
# lib("foreign.rb", "# Foreign code is fun")
def lib(filename, data=nil, &block)
log :lib, filename
create_file("lib/#{filename}", data, :verbose => false, &block)
end
# Create a new Rakefile with the provided code (either in a block or a string).
#
# rakefile("bootstrap.rake") do
# project = ask("What is the UNIX name of your project?")
#
# <<-TASK
# namespace :#{project} do
# task :bootstrap do
# puts "I like boots!"
# end
# end
# TASK
# end
#
# rakefile('seed.rake', 'puts "Planting seeds"')
def rakefile(filename, data=nil, &block)
log :rakefile, filename
create_file("lib/tasks/#{filename}", data, :verbose => false, &block)
end
# Create a new initializer with the provided code (either in a block or a string).
#
# initializer("globals.rb") do
# data = ""
#
# ['MY_WORK', 'ADMINS', 'BEST_COMPANY_EVAR'].each do |const|
# data << "#{const} = :entp\n"
# end
#
# data
# end
#
# initializer("api.rb", "API_KEY = '123456'")
def initializer(filename, data=nil, &block)
log :initializer, filename
create_file("config/initializers/#{filename}", data, :verbose => false, &block)
end
# Generate something using a generator from Rails or a plugin.
# The second parameter is the argument string that is passed to
# the generator or an Array that is joined.
#
# generate(:authenticated, "user session")
def generate(what, *args)
log :generate, what
argument = args.map {|arg| arg.to_s }.flatten.join(" ")
in_root { run_ruby_script("script/rails generate #{what} #{argument}", :verbose => false) }
end
# Runs the supplied rake task
#
# rake("db:migrate")
# rake("db:migrate", :env => "production")
# rake("gems:install", :sudo => true)
def rake(command, options={})
log :rake, command
env = options[:env] || ENV["RAILS_ENV"] || 'development'
sudo = options[:sudo] && RbConfig::CONFIG['host_os'] !~ /mswin|mingw/ ? 'sudo ' : ''
in_root { run("#{sudo}#{extify(:rake)} #{command} RAILS_ENV=#{env}", :verbose => false) }
end
# Just run the capify command in root
#
# capify!
def capify!
log :capify, ""
in_root { run("#{extify(:capify)} .", :verbose => false) }
end
# Make an entry in Rails routing file config/routes.rb
#
# route "root :to => 'welcome#index'"
def route(routing_code)
log :route, routing_code
sentinel = /\.routes\.draw do\s*$/
in_root do
inject_into_file 'config/routes.rb', "\n #{routing_code}", { :after => sentinel, :verbose => false }
end
end
# Reads the given file at the source root and prints it in the console.
#
# readme "README"
def readme(path)
log File.read(find_in_source_paths(path))
end
protected
# Define log for backwards compatibility. If just one argument is sent,
# invoke say, otherwise invoke say_status. Differently from say and
# similarly to say_status, this method respects the quiet? option given.
def log(*args)
if args.size == 1
say args.first.to_s unless options.quiet?
else
args << (self.behavior == :invoke ? :green : :red)
say_status(*args)
end
end
# Add an extension to the given name based on the platform.
def extify(name)
if RbConfig::CONFIG['host_os'] =~ /mswin|mingw/
"#{name}.bat"
else
name
end
end
end
end
end
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